Use a strip of paper covered in PH indicating dye.
Answer: 1.5
Explanation:
Just took the test on E2020!
Chemical properties can be determined by heat combustion, how they react with other chemicals, Oxidization (lose electrons, losing hydrogen, gaining oxygen), or toxicity.
Hi~~
H2O, commonly known as water, is definitely a compound.
David's conclusion is wrong because the hydrogen gas combined with oxygen from the air to form dihydrogen monoxide, also known as water.
Answer:
I think the answer would have to be D